<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Nirvanix
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: Nirvanix.php 18951 2009-11-12 16:26:19Z alexander $
 */

/**
 * @see Zend_Http_Client
 */
require_once 'Zend/Http/Client.php';

/**
 * This class allows Nirvanix authentication credentials to be specified
 * in one place and provides a factory for returning convenience wrappers
 * around the Nirvanix web service namespaces.
 *
 * @category   Zend
 * @package    Zend_Service
 * @subpackage Nirvanix
 * @copyright  Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Service_Nirvanix
{
	/**
	 * Options to pass to namespace proxies
	 * @param array
	 */
	protected $_options;

	/**
	 * Class constructor.  Authenticates with Nirvanix to receive a
	 * sessionToken, which is then passed to each future request.
	 *
	 * @param  array  $authParams  Authentication POST parameters.  This
	 *                             should have keys "username", "password",
	 *                             and "appKey".
	 * @param  array  $options     Options to pass to namespace proxies
	 */
	public function __construct($authParams, $options = array())
	{
		// merge options with default options
		$defaultOptions = array('defaults'   => array(),
                                'httpClient' => new Zend_Http_Client(),
                                'host'       => 'http://services.nirvanix.com');
		$this->_options = array_merge($defaultOptions, $options);

		// login and save sessionToken to default POST params
		$resp = $this->getService('Authentication')->login($authParams);
		$this->_options['defaults']['sessionToken'] = (string)$resp->SessionToken;
	}

	/**
	 * Nirvanix divides its service into namespaces, with each namespace
	 * providing different functionality.  This is a factory method that
	 * returns a preconfigured Zend_Service_Nirvanix_Namespace_Base proxy.
	 *
	 * @param  string  $namespace  Name of the namespace
	 * @return Zend_Service_Nirvanix_Namespace_Base
	 */
	public function getService($namespace, $options = array())
	{
		switch ($namespace) {
			case 'IMFS':
				$class = 'Zend_Service_Nirvanix_Namespace_Imfs';
				break;
			default:
				$class = 'Zend_Service_Nirvanix_Namespace_Base';
		}

		$options['namespace'] = ucfirst($namespace);
		$options = array_merge($this->_options, $options);

		if (!class_exists($class)) {
			require_once 'Zend/Loader.php';
			Zend_Loader::loadClass($class);
		}
		return new $class($options);
	}

	/**
	 * Get the configured options.
	 *
	 * @return array
	 */
	public function getOptions()
	{
		return $this->_options;
	}

}
